Dilator hub



FIG. 1 is a perspective view of the novel design for a dilator hub;

FIG. 2 is a top view of the novel design for a dilator hub, which isidentical to the bottom view;

FIG. 3 is a front elevational view of the novel design for a dilatorhub;

FIG. 4 is a rear elevational view of the novel design for a dilator hub;

FIG. 5 is a side view of the left side of the novel design for a dilatorhub; and,

FIG. 6 is a side view of the right side of the novel design for adilator hub.

The ornamental design for a dilator hub, as shown and described.